length : the number of character for the word
word : the text
sentence : that sentence that word can be used, the word is changed to pinyin to show the word's location
english ; the meaning of that sentence
HSK ; the level that the word belong to

length: 1
sentence: 她bai1下一块巧克力给我.
english: She broke off a piece of chocolate and gave it to me.
HSK: 6